BUILT-IN BATTERY ASSEMBLY AND A METHOD OF ASSEMBLING THE BUILT-IN BATTERY WITH A CIRCUIT BOARD

• US 20090120674A1
• Filed: 06/30/2008
• Published: 05/14/2009
• Est. Priority Date: 11/14/2007
• Status: Abandoned Application

• Current Assignee: Chi Mei Communication Systems Incorporated (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Chi Mei Communication Systems Incorporated (Hon Hai Precision Industry Co., Ltd.)
• Inventors: Chang, Ming-Shiung
• Application Number:
  US12/164,242
• Publication Number:
  US 20090120674A1
• Time in Patent Office: Days
• US Class Current: 174/260
• CPC Class Codes: H01M 10/425 Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing printed circuits H05K1/00
• CPC Class Codes: H05K 1/147 at least one of the printed circuits being bent or folded, e.g. by using a flexible printed circuit H05K1/148 takes precedence
• CPC Class Codes: H05K 1/148 Arrangements of two or more hingeably connected rigid printed circuit boards, i.e. connected by flexible means
• CPC Class Codes: H05K 2201/10037 Printed or non-printed battery
• CPC Class Codes: Y02E 60/10 Energy storage using batteries
• CPC Class Codes: Y10T 29/4913 Assembling to base an electrical component, e.g., capacitor, etc.

Abstract

A built-in battery assembly (100) including a battery body (10) and a flexible connecting board (50) is described. The flexible connecting board includes a first pair of terminals (52) and a second pair of terminals (55), wherein the first pair of terminals electrically connects to the battery body and the second pair of terminals protrudes from the battery body. In addition, a method of assembling the built-in battery assembly to a circuit board (80) is also described.

Claims

1. A built-in battery assembly, comprising:

a battery body; and

a flexible connecting board with a first pair of terminals and a second pair of terminals, wherein the first pair of terminals electrically connects to the battery body and the second pair of terminals protrudes from the battery body.

2. The built-in battery assembly as claimed in claim 1, wherein the built-in battery assembly includes a protective circuit board for electrically connecting the battery body to the flexible connecting board.

3. The built-in battery assembly as claimed in claim 2, wherein the battery body comprises a main body, a positive pole and a negative pole, and a receiving portion, and the positive and negative poles are arranged on the receiving portion.

4. The built-in battery assembly as claimed in claim 3, wherein the built-in battery assembly includes two connecting strips, each connecting strip connecting one of the positive and negative poles of the battery body to the protective circuit board.

5. The built-in battery assembly as claimed in claim 4, wherein the protective circuit board is a substantially rectangular-shaped board with a pair of feed points and a pair of output points, the pair of feed points electrically connects with the two connecting strips and the pair of output points electrically connects with the flexible connecting board.

6. The built-in battery assembly as claimed in claim 5, wherein the first pair of terminals electrically connects with the pair of output points of the protective circuit board, and the second pair of terminals is for electrically connecting a circuit board of an electronic device.

7. The built-in battery assembly as claimed in claim 4, wherein the two connecting strips are made of flexible conductive material.

8. The built-in battery assembly as claimed in claim 2, wherein the protective circuit board is a printed circuit board with at least one protective circuit arranged thereon for preventing the battery from being overcharged or overheated.

9. A method of assembling a built-in battery assembly to a circuit board, comprising:

providing a built-in battery assembly including a battery body and a flexible connecting board having first and second pairs of terminals;

connecting the battery body to the flexible connecting board using the first pair of terminals;

allowing the second pair of terminals to protrude from the battery body;

providing a circuit board;

welding the second pair of terminals of the flexible connecting board to a pair of pads of the circuit board; and

rotating the built-in battery assembly relative to the circuit board by about 180 degrees, thereby attaching the built-in battery assembly to the circuit board.

10. The method as claimed in claim 9, wherein the second pair of terminals is heated by a thermal press machine.

11. The method as claimed in claim 9, wherein the welding step is performed by directly heating the second pair of terminals.